/ Thesaurus / D Synonyms of dermoid cyst Find synonyms for: Noun1. dermoid cyst, cystusage: a cystic tumor (usually benign) with a wall lined with epithelium and a cavity containing other materialWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: malady Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language